UTXOProvider (bitcoinj-core 0.16.1 API)

All Known Subinterfaces:

FullPrunedBlockStore

All Known Implementing Classes:

DatabaseFullPrunedBlockStore, H2FullPrunedBlockStore, LevelDBFullPrunedBlockStore, MemoryFullPrunedBlockStore, MySQLFullPrunedBlockStore, PostgresFullPrunedBlockStore
```
public interface UTXOProvider
```
A UTXOProvider encapsulates functionality for returning unspent transaction outputs, for use by the wallet or other code that crafts spends.
A FullPrunedBlockStore is an internal implementation within bitcoinj.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`getChainHeadHeight()`	Get the height of the chain head.
`java.util.List<UTXO>`	`getOpenTransactionOutputs(java.util.List<ECKey> keys)`	Get the list of `UTXO`'s for given keys.
`NetworkParameters`	`getParams()`	The `NetworkParameters` of this provider.

- Method Detail
  - getOpenTransactionOutputs
```
java.util.List<UTXO> getOpenTransactionOutputs(java.util.List<ECKey> keys)
                                        throws UTXOProviderException
```
    Get the list of UTXO's for given keys.
    
    Parameters:
    
    keys - List of keys.
    
    Returns:
    
    The list of transaction outputs.
    
    Throws:
    
    UTXOProviderException - If there is an error.
  - getChainHeadHeight
```
int getChainHeadHeight()
                throws UTXOProviderException
```
    Get the height of the chain head.
    
    Returns:
    
    The chain head height.
    
    Throws:
    
    UTXOProviderException - If there is an error.
  - getParams
```
NetworkParameters getParams()
```
    The NetworkParameters of this provider.
    
    Returns:
    
    The network parameters.